Tyler Reddick put his No. 2 Chevrolet on the top of the speed charts after the first practice session at Dover International Speedway.
Reddick was followed by Cole Custer, Kaz Grala, Zane Smith and Austin Cindric.
The Xfinity Series will practice one more time on Friday before qualifying and racing on Saturday in the Allied Steel Buildings 200.
Xfinity Series Dover Practice
| RaceRank | No | Driver | BestLapTime | BestSpeed | BestLap | Laps |
| 1 | 2 | Tyler Reddick | 23.089 | 155.918 | 30 | 31 |
| 2 | 0 | Cole Custer | 23.289 | 154.579 | 3 | 33 |
| 3 | 21 | Kaz Grala | 23.295 | 154.54 | 34 | 34 |
| 4 | 8 | Zane Smith | 23.343 | 154.222 | 34 | 35 |
| 5 | 22 | Austin Cindric | 23.392 | 153.899 | 29 | 34 |
| 6 | 7 | Justin Allgaier | 23.42 | 153.715 | 8 | 27 |
| 7 | 98 | Chase Briscoe # | 23.432 | 153.636 | 38 | 38 |
| 8 | 20 | Christopher Bell | 23.482 | 153.309 | 29 | 31 |
| 9 | 1 | Michael Annett | 23.555 | 152.834 | 4 | 31 |
| 10 | 9 | Noah Gragson # | 23.58 | 152.672 | 6 | 49 |
| 11 | 11 | Justin Haley # | 23.637 | 152.304 | 5 | 12 |
| 12 | 19 | Brandon Jones | 23.668 | 152.104 | 10 | 36 |
| 13 | 18 | Riley Herbst | 23.673 | 152.072 | 7 | 26 |
| 14 | 23 | John Hunter Nemechek # | 23.712 | 151.822 | 11 | 33 |
| 15 | 86 | Brandon Brown # | 23.8 | 151.261 | 7 | 42 |
| 16 | 4 | Ross Chastain | 23.862 | 150.867 | 21 | 25 |
| 17 | 51 | Jeremy Clements | 23.984 | 150.1 | 2 | 12 |
| 18 | 39 | Ryan Sieg | 24.016 | 149.9 | 8 | 9 |
| 19 | 8 | Gray Gaulding | 24.112 | 149.303 | 10 | 23 |
| 20 | 7 | Ray Black II | 24.272 | 148.319 | 8 | 30 |
| 21 | 36 | Josh Williams | 24.308 | 148.099 | 4 | 29 |
| 22 | 1 | Stephen Leicht | 24.335 | 147.935 | 17 | 21 |
| 23 | 0 | Garrett Smithley | 24.34 | 147.905 | 20 | 26 |
| 24 | 90 | Ronnie Bassett Jr | 24.422 | 147.408 | 12 | 13 |
| 25 | 78 | Vinnie Miller | 24.543 | 146.681 | 12 | 15 |
| 26 | 52 | David Starr | 24.643 | 146.086 | 13 | 14 |
| 27 | 15 | BJ McLeod | 24.649 | 146.051 | 7 | 8 |
| 28 | 66 | Timmy Hill | 24.66 | 145.985 | 10 | 12 |
| 29 | 5 | Matt Mills | 24.816 | 145.068 | 11 | 16 |
| 30 | 89 | Morgan Shepherd | 25.097 | 143.443 | 6 | 6 |
| 31 | 35 | Joey Gase | 25.402 | 141.721 | 9 | 9 |
| 32 | 93 | Josh Bilicki | 25.884 | 139.082 | 2 | 2 |
| 33 | 13 | John Jackson | 25.894 | 139.028 | 20 | 22 |
| 34 | 99 | Tommy Joe Martins | 0 | 0 | 0 | 0 |
